.container {
    padding-top: 15px;
    padding-left: 15px;
    width: 100vw;
    box-sizing: border-box;
    height: 100vh;
    display: flex;
    /* 主轴默认方向：从左往右 */
    flex-direction: row;
    background-color: #f5f5f5;
}

.left_menu_box {
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
    border-radius: 10px;
    overflow-y: auto;
    /* 从总高度中减去padding */
    height: calc(100vh - 30px);
    width: 210px;
    border-radius: 8px;
    /* 圆角 */
    border: 0px solid #f0f0f0;
    /* 描边（边框） */
    box-shadow: 0px 0px 1px #d9d9d9;
    /* 阴影 */
}

.left_menu_head {
    align-items: center;
    justify-content: center;
    height: 65px;
    background: #ffffff;
    display: flex;
    flex-direction: row;
}

.left_menu_head_title {
    font-weight: 500;
    font-size: 17px;
    margin-left: 10px;
}

.left_menu_item {
    font-size: 14px;
    color: #000000;
    justify-content: center;
    display: flex;
    flex-direction: row;
    align-items: center;
    background: #ffffff;
    height: 65px;
}

/* 鼠标悬停效果 */
.left_menu_item:hover {
    font-size: 15px;
    margin-left: 3px;
    margin-right: 3px;
    border-radius: 8px;
    background-color: #f0f0f0;
}

/* item选中效果 */
.left_menu_item_selected {
    margin-right: 3px;
    font-size: 14px;
    margin-left: 3px;
    color: #ffffff;
    margin-right: 3px;
    border-radius: 8px;
    background-color: #1677ff;
    justify-content: center;
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 65px;
}

.left_menu_item_icon {
    align-items: center;
    justify-content: center;
    display: flex;
    width: 45px;
    height: 45px;
}

.left_menu_bottom {
    margin-bottom: 30px;
    align-items: center;
    display: flex;
    flex-direction: column-reverse;
    height: 100%;
}

.right_container {
    margin-right: 15px;
    height: calc(100vh - 30px);
    margin-left: 10px;
    flex: 1;
    background: #00000000;
}

.right_head_box {
    align-items: center;
    justify-content: center;
    height: 50px;
    display: flex;
    flex-direction: row;
    background: #00000000;
}

.right_content_box {
    height: calc(100vh - 80px);
    background: #ffffff;
    border-radius: 8px;
    /* 圆角 */
    border: 0px solid #f0f0f0;
    /* 描边（边框） */
    box-shadow: 0px 0px 1px #d9d9d9;
    /* 阴影 */
}

.show_time_box {
    justify-content: center;
    align-items: center;
    display: flex;
    flex: 1;
}

.time_box {
    justify-content: center;
    align-items: center;
    display: flex;
    height: 100%;
    width: 120px;
}

.time_display {
    font-family: 'Orbitron', monospace;
    font-weight: 500;
    font-size: 25px;
}

.date_display {
    font-family: 'Orbitron', monospace;
    font-size: 13px;
}

.date_box {
    justify-content: center;
    align-items: center;
    margin-left: 15px;
    display: flex;
    flex-direction: column;
}

.user_info_box {
    width: auto;
    height: 45px;
    align-items: center;
    justify-content: center;
    display: flex;
    flex-direction: row;
}